CN1219484C - Power supply cord length regulating device - Google Patents
Power supply cord length regulating device Download PDFInfo
- Publication number
- CN1219484C CN1219484C CN 01144373 CN01144373A CN1219484C CN 1219484 C CN1219484 C CN 1219484C CN 01144373 CN01144373 CN 01144373 CN 01144373 A CN01144373 A CN 01144373A CN 1219484 C CN1219484 C CN 1219484C
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- China
- Prior art keywords
- length
- spare
- power lead
- vacuum cleaner
- power supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electric Vacuum Cleaner (AREA)
Abstract
The present invention relates to a power cord length regulating device, particularly to a device for automatically regulating the length of a power cord of a vacuum cleaner. The present invention is composed of a detection mechanism, a control mechanism and a length regulating mechanism, wherein the detection mechanism is used for detecting the length of a power cord extending to the outside of a vacuum cleaner and generating a detection signal; the control mechanism judges the length state of the power cord after receiving the detection signal of the detection mechanism, and generates a corresponding length regulating signal; the length regulating mechanism winds the power cord inside the vacuum cleaner or continues to extends the power cord out of the vacuum cleaner after receiving the length regulating signal of the control mechanism. The present invention can automatically regulate the length of the power cord of the vacuum cleaner, so the use of the vacuum cleaner can be more convenient.
Description
One, technical field
But the present invention relates to a kind of device of automatic compensation vacuum cleaner power lead length.
Two, background technology
Vacuum cleaner is to utilize motor generation air pressure difference and with the device in foreign matters such as the dust suction dust bag, can be divided into wired vacuum cleaner and wireless vacuum cleaner two classes.The former power lead is connected with battery socket and obtains power supply, and the latter then is installed on battery in the dust collecting fan and does not need the power lead power supply.For ease of moving and attractive in appearance, be provided with the power supply bobbin in wired vacuum cleaner, during use power lead is pulled out and be connected with battery socket; Then can be when not using with the power lead rolling in dust collecting fan inside.Fig. 1 is the structural representation of existing wired vacuum cleaner.
As shown in Figure 1, the inside of dust collecting fan 1 is divided into dust storage chamber 3 and drive chamber 4 by the dividing plate 2 that has through hole 2a and utilizes through hole 2a to be communicated with.Be provided with the dust bag 5 that is used to collect dust and foreign matter in the dust storage chamber 3, be used to suck the flexible pipe 6 of external dust by in dust storage chamber 3 outsides introducing dust bag 5; Drive motor 7 is installed in the drive chamber 4 and is used for air in the via through holes 2a suction dust storage chamber 3, and the air of suction purifies the back discharge through discharging filter screen 4b.Bobbin device 8 is arranged at drive chamber's 4 one sides and is used to reel the power lead 9 of drive motor 7.
As shown in Figure 2, bobbin device 8 mainly is made of bobbin 14, annular terminal 30 and contact terminal 50.Bobbin 14 is supported on the axle 10 and relies on the effect of spring 12 and power lead 20 is wound in the dust collecting fan 1; Annular terminal 30 places a side of bobbin 14 and keeps in touch with the terminal 22 of power lead 20; 50 of contact terminals make annular terminal 30 rotate with bobbin 14 and keep in touch with connecting cable 60 ends that are connected drive motor 7 by the creel 40 of a side.
The bobbin device 8 of above-mentioned vacuum cleaner, though can be under the effect of bobbin 14 with power lead 20 rollings in vacuum cleaner 1 inside, or owing to user's pulling makes power lead 20 extend to the outside of vacuum cleaner 1; But when the power lead between battery socket and the vacuum cleaner 20 was long or too short, the user just must directly adjust power lead and can use, so use makes things convenient for inadequately.
Three, summary of the invention
Purpose of the present invention promptly is to provide a kind of power lead setting device, with the power lead length of automatic compensation vacuum cleaner, thereby provides bigger convenience for the user.
To achieve these goals.The present invention utilizes testing agency, control mechanism and length adjusting mechanism to form a kind of power supply cord length regulating device of vacuum cleaner.Testing agency is used for detection and extends in the exterior power lead length of vacuum cleaning and produce detection signal; Control mechanism is used to receive the detection signal of testing agency and the length adjustment signal that power lead length is adjusted in output; The length that length adjusting mechanism is used to receive the length adjustment signal and adjusts power lead.
The method of utilizing the said power length adjuster to adjust power lead comprises detection, controls and adjusts 3 steps, is promptly at first detected in the vacuum cleaner extended power lead length and is produced detection signal by testing agency; Control setup produces the length adjustment signal after receiving the detection signal of testing agency; After length adjusting mechanism receives the length adjustment signal of control mechanism,, or continue to extend to the outside with power lead wraparound vacuum cleaner inside.
Based on above structure, the present invention can adjust automatically to the power lead length between vacuum cleaner and the battery socket, thus more convenient use.
Be described in further detail below in conjunction with the technical characterictic of specific embodiment power supply cord length regulating device of the present invention.
Four, description of drawings
Fig. 1 is the structural representation of wired vacuum cleaner.
Fig. 2 is the decomposition chart of existing vacuum cleaner bobbin device.
Fig. 3 is the formation block diagram of power supply cord length regulating device of the present invention.
Fig. 4 is testing agency's scheme drawing of power supply cord length regulating device of the present invention.
Fig. 5 is the schematic diagram of the testing agency of power supply cord length regulating device of the present invention.
Fig. 6 be among the present invention the voltage between primary winding and the output primary with the scheme drawing of variable in distance.
Fig. 7 adopts the present invention to adjust the diagram of circuit of power lead length.
Five, the specific embodiment
As shown in Figure 3, power supply cord length regulating device of the present invention comprises testing agency 100, control mechanism 102 and length adjusting mechanism 104.Whether testing agency 100 is used to detect power lead 110 between vacuum cleaner and the battery socket long or too short and produce detection signal; After control mechanism 102 was received the detection signal of testing agency 100, judgement was with power lead 110 wraparound dust collecting fan inside or continues to extend to the dust collecting fan outside and produce corresponding length adjustment signal; After length adjusting mechanism 104 is received the length adjustment signal of control mechanism 102, correspondingly will continue to stretch out in the unnecessary power lead 110 wraparound dust collecting fans or with power lead 110.
As shown in the figure, testing agency 100 mainly is made of primary winding spare 112, output primary spare 114, spring 118, set collar 120 and supporting ring 116.Be wound with hot-wire coil 112b on the magnet 112a of primary winding spare 112, to produce magnetic flux 122; Magnetic flux 122 scopes interior (with reference to Fig. 5) that output primary spare 114 places elementary turn coil part 112 to be produced, the output primary 114b that is serially connected with resistance 114c is on magnet 114a, to produce loss in voltage on resistance 114c; The two ends of spring 118 link to each other with the magnet 114a of the magnet 112a of primary winding 112 and output primary spare 114 respectively and rely on its elastic force to make between the two at a certain distance; 120 power leads 110 of set collar are fixed on magnet 114a one side of output primary spare 114; 116 of rings of supporting are used for primary winding spare 112 and output primary spare 114 being furthered or pushing away far away.Primary winding spare 112 comprise magnet 112a, the coil 112b on the magnet 112a and to coil 112b power supply to produce the power supply 112c of magnetic flux 122; 114 of output primary spares comprise magnet 114a, the coil 114b on the magnet 114a and are produced the resistance 114c of loss in voltage by the inducing current that generates among the coil 114b.Fig. 5 is the scheme drawing that secondary coil piece 114 produces induced voltage under the effect of primary winding spare 112 magnetic fluxs; Fig. 6 then is the scheme drawing of distance with the induced voltage size of primary winding spare and output primary spare.
As Fig. 5, shown in Figure 6, the output primary spare 114 that primary winding spare 112 produces magnetic flux 122 under the making alive V1 of institute effect, be arranged in magnetic flux 122 spaces produces induced voltage V2 under the effect of magnetic flux 122.Power lead 110 utilizes set collar 120 to be fixed in output primary spare 114 1 sides, and when the length of power lead 110 surpassed specified length, the distance between output primary spare 114 and the primary winding spare 112 was L2, and the induced voltage of output primary spare 114 is VL2; On the contrary, the length of power lead 110 than specified length in short-term, the distance between output primary spare 114 and the primary winding spare 112 is L1 and less than L2, and the induced voltage of output primary spare 114 is VL1 and greater than VL2.When the induced voltage V2 of output primary spare 114 was lower than VL2, power lead 110 was a long status, it should be rapped around in the dust collecting fan and it is adjusted into optimum length; As V2 during greater than VL1, power lead 110 was a short status, should continue altogether to extend outside dust collecting fan and was adjusted to optimum length.
As shown in Figure 3, after control mechanism 102 is received the detection signal of testing agency 100, the induced voltage V2 of output primary spare 114 and VL1 and VL2 are compared, judge which scope it belongs to, and to length adjusting mechanism 104 output wraparounds or continue to extend the length adjustment signal of power lead.The motor driving part 106 of length adjusting mechanism 104 produces corresponding motor drive signal after receiving the length adjustment signal of control mechanism 102; Motor 108 is a forward or reverse after receiving the motor drive signal of motor driving part 106, and with in the power lead 110 wraparound dust collecting fans or extend to outside the vacuum cleaner, the length adjustment that makes power lead 110 is to optimum length.
As shown in Figure 7, the method for utilizing the said power length adjuster to adjust power lead length comprises detection (S10), control (S20), adjusts (S30) and judges steps such as (S40).Detection step (S10) promptly detects and extends in the exterior power lead length of dust collecting fan and produce detection signal; Controlled step (S20) is promptly judged the state of power lead and is exported the length adjustment signal after receiving detection signal; Set-up procedure (S30) is promptly adjusted the length of power lead according to the length adjustment signal; Determination step (S40) promptly judges whether continue to use primary winding spare to produce magnetic flux.
After control mechanism 102 is received the detection signal of testing agency 100, judge at first whether the length of power lead 110 is shorter than L1.If the length of power lead 110 is shorter than L1, then export the length adjustment signal of lengthening power leads 110 to adjusting mechanism 104; If the length of power lead 110 is longer than L1, then judge whether longer than L2.If the length of power lead 110 is shorter than L2, then to testing agency's 100 output feedback signals; If longer than L2, then to the length adjustment signal of adjusting mechanism 104 output wraparound power leads 110.
In sum as can be known, but the power lead length between the present invention's automatic compensation vacuum cleaner and the battery socket makes the use of vacuum cleaner convenient.
Claims (4)
1, a kind of power supply cord length regulating device that is used for vacuum cleaner is characterized in that, comprising: testing agency, and detect and extend in the outer power lead length of dust collecting fan; Control mechanism receives the detection signal of testing agency and exports the length adjustment signal; The power lead length adjusting mechanism is by the length adjustment signal that receives control mechanism and produce the motor driving part of corresponding motor drive signal and receive the motor drive signal of motor driving part and the motor of rolled power line is formed.
2, power supply cord length regulating device according to claim 1 is characterized in that described testing agency is made of primary winding spare, output primary spare, spring, set collar and supporting ring; Be wound with coil on the magnet of primary winding spare and can switch on and produce magnetic flux; Output primary spare is located in the magnetic line of force scope of primary winding spare, is wound with coil on its magnet and can produces induced voltage under primary winding spare flux interaction; The two ends of spring link to each other with the magnet of primary winding spare and output primary spare respectively and utilize its elastic force to make both keep certain distance; Set collar is used for power lead is fixed in output primary spare one side, and the supporting ring then is used to further or pushes away primary and secondary coil piece far away.
3, power supply cord length regulating device according to claim 2 is characterized in that described output primary spare also comprises the resistance that is connected in the coil and can produces loss in voltage.
4, a kind of method of utilizing the described power supply cord length regulating device of claim 1 to adjust power lead length is characterized in that comprising and detects the detection step that extends the exterior power lead length of dust collecting fan and produce detection signal, receives detection signal and produce the controlled step of length adjustment signal and receive the length adjustment signal and adjust the length adjustment step of power lead length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144373 CN1219484C (en) | 2001-12-18 | 2001-12-18 | Power supply cord length regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144373 CN1219484C (en) | 2001-12-18 | 2001-12-18 | Power supply cord length regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1426753A CN1426753A (en) | 2003-07-02 |
| CN1219484C true CN1219484C (en) | 2005-09-21 |
Family
ID=4677522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01144373 Expired - Fee Related CN1219484C (en) | 2001-12-18 | 2001-12-18 | Power supply cord length regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1219484C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602005022048D1 (en) * | 2005-03-31 | 2010-08-12 | Axa Power Aps | Current transformer with adjustable output cable |
| CN102100509B (en) * | 2009-12-17 | 2015-05-20 | 乐金电子(天津)电器有限公司 | Dust collector wire reel capable of automatically discharging wires in use |
| CN102469385A (en) * | 2010-11-19 | 2012-05-23 | 纬创资通股份有限公司 | Earphone system, portable electronic device and sound effect output switching method |
| CN103183259B (en) * | 2011-12-27 | 2017-02-15 | 富泰华工业（深圳）有限公司 | Take-up device |
| CN105433856B (en) * | 2015-12-25 | 2018-12-14 | 广东宝乐机器人股份有限公司 | A kind of glass cleaning device |
| CN115067797B (en) * | 2022-08-22 | 2022-10-25 | 河北科技师范学院 | Glass cleaning equipment suitable for system window |
| CN117902396B (en) * | 2024-03-19 | 2024-05-14 | 深圳市枣橙科技有限公司 | Intelligent storage method for realizing telescopic wire based on automation |
-
2001
- 2001-12-18 CN CN 01144373 patent/CN1219484C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1426753A (en) | 2003-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050921 Termination date: 20100118 |